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Finding the Fourth Proportional to 92,672.36, 139,019.32 and 33,535.88

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Solution

The fourth proportional to 92,672.36, 139,019.32 and 33,535.88 is: 50,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,672.36 : 139,019.32 = 33,535.88 : x
  2. Step 2: Convert to fraction form
    92,672.36/139,019.32 = 33,535.88/x
  3. Step 3: Cross multiply
    92,672.36x = 139,019.32 × 33,535.88
  4. Step 4: Simplify right side
    92,672.36x = 4,662,135,233.20
  5. Step 5: Solve for x
    x = 4,662,135,233.20/92,672.36
  6. Step 6: Final answer
    x = 50,307.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.